10. Remail non-opens again one week later. This works great if​ your email service can pinpoint this information.

11. Copywriting of​ your emails and online marketing is​ your #1 key to​ much higher leads,​ sales and profits. So don’t entrust it​ to​ anyone other than an​ experienced successful copywriter and the​ best one you​ can afford. This is​ not the​ time to​ be penny-wise and pound-foolish.

There are many other email and online copywriting topics that are too variable to​ give you​ hard and fast answers to. They need to​ be studied first by a​ professional based on​ your specific business. These include text vs. html and best days to​ email.